This document discusses Cellular Technology Ltd.'s elevation of ELISPOT assays to an exact science through various imaging technologies. It features unprocessed and counted images from dual color ELISPOT, viral plaque assays with crystal violet and ICA staining, dual and triple color UV-Spot assays, dual color UV cell cycle assays, reporter gene expression assays, and cell counting assays. Further information is available at www.immunospot.com or by contacting CTL Analyzers LLC.

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2. ©Cellular Technology Ltd. Elevating ELISPOT to an Exact ScienceCellular Technology Ltd.

3. ©Cellular Technology Ltd. Dual color ELISPOT, unprocessed image

4. ©Cellular Technology Ltd. Dual color ELISPOT red count

5. ©Cellular Technology Ltd. Dual color ELISPOTblue count

6. ©Cellular Technology Ltd. Dual color ELISPOT double positive count

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8. ©Cellular Technology Ltd. Viral plaque-ICA,unprocessed image

9. ©Cellular Technology Ltd. Viral plaque-ICAcounted image.

10. ©Cellular Technology Ltd. Viral plaque-crystal violetunprocessed image

11. ©Cellular Technology Ltd. Viral plaque-crystal violetcounted image

12. ©Cellular Technology Ltd. Dual color UV-Spot, unprocessed image Green-IFN-g

13. ©Cellular Technology Ltd. Dual color UV-Spotcounted image Green-IFN-g

14. ©Cellular Technology Ltd. Dual color UV-Spot, unprocessed image Red-IL-2

15. ©Cellular Technology Ltd. Dual color UV-Spotcounted image Red-IL2

16. ©Cellular Technology Ltd. Dual color UV-Spot, unprocessed image DC –IFN-g/IL-2

17. ©Cellular Technology Ltd. Dual color UV-Spot,counted image DC –IFN-g/IL-2

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19. ©Cellular Technology Ltd. Triple color UV-Slide, unprocessed image

20. ©Cellular Technology Ltd. Triple color UV-Slide, cell nuclei counted

21. ©Cellular Technology Ltd. Dual color UV-Cell Cycle, unprocessed image of nuclei

22. ©Cellular Technology Ltd. Dual color UV-Cell Cycle, counted nuclei

23. ©Cellular Technology Ltd. Dual color UV-Cell Cycle, unprocessed image of cells

24. ©Cellular Technology Ltd. Dual color UV-Cell Cycle, counted cells

25. ©Cellular Technology Ltd. Dual color UV-Cell Cycle, unprocessed DC image

26. ©Cellular Technology Ltd. Dual color UV-Cell Cycle, counted DC

27. ©Cellular Technology Ltd. Reporter gene expressionunprocessed image

28. ©Cellular Technology Ltd. Reporter gene expressioncounted image

29. ©Cellular Technology Ltd. Cell Countingunprocessed image

30. ©Cellular Technology Ltd. Cell countingcounted image

31. 31For further information on CTL products and services please view: www.immunospot.comor contact us at:CTL Analyzers LLC,20521 Chagrin Blvd.,Shaker Heights, OH 44122Tel: +1 216-791-5084Fax: +1 216-791-1373info@immunospot.com

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